Display panel or portion thereof with a transitional mixed reality graphical user interface



FIG. 1 is a front view of a display panel or portion thereof with atransitional mixed reality graphical user interface showing a firstimage in a sequence of a first embodiment;

FIG. 2 is a front view of a second image in the sequence of the firstembodiment;

FIG. 3 is a front view of a third image in the sequence of the firstembodiment;

FIG. 4 is a front view of a display panel or portion thereof with atransitional mixed reality graphical user interface showing a firstimage in a sequence of a second embodiment;

FIG. 5 is a front view of a second image in the sequence of the secondembodiment;

FIG. 6 is a front view of a third image in the sequence of the secondembodiment;

FIG. 7 is a front view of a display panel or portion thereof with atransitional mixed reality graphical user interface showing a firstimage in a sequence of a third embodiment;

FIG. 8 is a front view of a second image in the sequence of the thirdembodiment;

FIG. 9 is a front view of a third image in the sequence of the thirdembodiment;

FIG. 10 is a front view of a display panel or portion thereof with atransitional mixed reality graphical user interface showing a firstimage in a sequence of a fourth embodiment;

FIG. 11 is a front view of a second image in the sequence of the fourthembodiment;

FIG. 12 is a front view of a third image in the sequence of the fourthembodiment;

FIG. 13 is a front view of a display panel or portion thereof with atransitional mixed reality graphical user interface showing a firstimage in a sequence of a fifth embodiment;

FIG. 14 is a front view of a second image in the sequence of the fifthembodiment; and,

FIG. 15 is a front view of a third image in the sequence of the fifthembodiment.

The appearance of the image sequentially transitions between the imagesshown in FIGS. 1-3; FIGS. 4-6; FIGS. 7-9; FIGS. 10-12; and FIGS. 13-15.The process or period in which one image transitions to another forms nopart of the claimed design.

The outermost broken line rectangle illustrates a display panel orportion thereof that forms no part of the claimed design. The remainingbroken lines illustrate portions of the graphical user interface or amixed reality environment, and form no part of the claimed design.

CLAIM The ornamental design for a display panel or portion thereof witha transitional mixed reality graphical user interface, as shown anddescribed.